Soldier Dock System: the vehicles carried by the Sunny

The Thousand Sunny is more than a ship that takes the Straw Hats from one island to another. With the Soldier Dock System, it also carries other means of transport. The ship becomes a base from which characters can set out in small groups, explore differently or deploy equipment suited to a particular situation.

This arrangement deserves to be distinguished from the Sunny's spectacular feats. The aim here is not to list all its cannons, every room or all its propulsion modes. Instead, let us look at the vehicles Franky has incorporated into the journey and what their variety changes about telling a collective adventure.

A ship that can send teams ahead

A large ship brings together the crew, supplies and living spaces. That strength can sometimes become a constraint: there is no need to move the entire structure for every reconnaissance trip or local journey. The vehicles on board address this difference in scale between a sea crossing and a specific mission.

The Soldier Dock System makes that distinction visible. The Sunny's compartments can provide access to different equipment, identified by a number and silhouette. The official presentation of the system in a Sunny replica lists the Shiro Mokuba, Mini Merry, Shark Submerge, Black Rhino and Brachio Tank, among others.

This source describes a specific collectible, but it also helps identify the machines depicted. The two levels must remain separate: a mechanism's existence in the story does not guarantee that a model sold elsewhere reproduces it. In this article, the functions discussed belong to the fictional vehicles.

The move from the Merry to the Sunny, set within the chronology of the arcs, therefore changes the possibilities for getting around. The crew does not simply gain a larger hull; it can organise more departures and returns around its gathering point.

The Shiro Mokuba: keeping a small craft's lightness

The Shiro Mokuba 1 follows the Waver concept, with a white horse shape that makes it instantly recognisable. Its value lies in providing a lightweight craft separate from the main ship. Travel no longer always takes place at the same speed or with the same number of passengers.

This difference produces scenes the Sunny alone could not support in the same way. A character close to the surface and directly exposed to the surroundings experiences a journey differently from someone on a large deck. The choice of vehicle therefore changes the framing, perception of danger and movements needed to progress.

Nami has had a particular connection with Wavers since Skypiea. The Nami figure with her Clima-Tact can recall this ability to understand unfamiliar travel conditions. The collection of Nami and Robin figures brings together characters whose contribution to the journey also involves observation and exploration.

The small craft also preserves a memory of previous adventures. The Sunny incorporates ideas and practices encountered elsewhere instead of starting from scratch when launched. Its equipment thus tells a story of collective learning accumulated from one stop to the next.

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The Thousand Sunny houses the Soldier Dock System and becomes the return point for deployed vehicles. This XXL model lets you place the ship at the centre of a display about different forms of travel, without assuming it has moving mechanisms not specified in its product listing.

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The Mini Merry: a practical purpose filled with memory

The Mini Merry 2 is immediately recognisable through its resemblance to the first ship. Its presence combines a usable small boat with a shared emotional memory. Franky therefore offers more than effective equipment: he gives a new construction a shape his companions can love before they even use it.

That choice matters after the farewell to the Going Merry at Water Seven. The Mini Merry does not erase either the loss or the events the crew experienced. It turns memory into an everyday presence integrated into the next ship. This nuance avoids presenting the little craft as a resurrection of the lost vessel.

The number and silhouette thus support two simultaneous readings. For the system, the Mini Merry is an available vehicle. For the crew, it carries a memory. Technology is not opposed to attachment: it can give that attachment a place in life as it continues.

The food habits of Water Seven and Water Meat recall the importance of ordinary actions between major battles. A small boat intended for short journeys belongs to that same world of practical activities. Travelling also means running errands, reaching a shore and coming back aboard.

The Shark Submerge: opening up the world beneath the surface

The Shark Submerge 3 introduces another direction. While the other craft keep the characters on the surface, the small submarine lets them explore underwater. It therefore does more than accomplish the same task with a different silhouette; it makes other perspectives on a place accessible.

Diving transforms perception. The main ship can remain a reference point above while the team observes what lies below the surface. The story gains an option for reconnaissance and a way to show dangers those remaining on deck do not necessarily see.

This independence remains relative. A deployed submarine needs someone to operate it, a destination to reach and a way to return. It removes neither the obstacles of the environment nor the characters' decisions. Its dramatic value lies in opening a route while giving a small team a situation distinct from that of the rest of the group.

The anime uses it in the original Ice Hunter storyline, for example, where exploring the icy surroundings reveals an unexpected organisation. This example belongs to the anime and must not be transferred to the manga. The Shark Submerge's existence, however, does not depend on that narrative addition.

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Lego One Piece - Going Merry Ship (Collector's Model)

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Black Rhino and Brachio Tank: moving beyond sailing

The Black Rhino FR-U4 and Brachio Tank 5 expand the system further. Their motorcycle and tank silhouettes shift the focus towards land operations and combat situations. The Sunny now carries ways of taking action that do more than get the crew from the sea to a shore.

The contrast is deliberately spectacular. A pirate ship becomes the storage place for machines whose appearance can surprise enemies as much as delight companions. This exuberance suits Franky's taste for constructions that inspire people to act as well as meeting a need.

It would nevertheless be reductive to see these vehicles merely as toys added to impress. They allow roles to be distributed, passengers to be protected and equipment to contribute to the group's movement. Their visual identities help readers follow what has been deployed and what remains available.

Their numbers connect them to the same whole, while their shapes prevent confusion. The system is shared; the functions are not identical. This combination of order and imagination makes the Soldier Dock immediately understandable without requiring a technical explanation every time it is used.

Two vehicles combine; the Sunny remains a ship

The Black Rhino and Brachio Tank can combine to form the Franky Shogun. The distinction matters: two machines carried by the Sunny join together. The entire ship does not transform into a robot. Confusing the two would erase the very principle of an onboard system.

The combination adds another level to the idea of versatility. The vehicles exist separately, then have a combined use. The story can therefore show an increase in power without introducing an object entirely unrelated to what has already been presented.

This function connects Franky's love of machines with his place in the crew. Building means preparing possibilities that others can discover at the right moment. The story of Tom and his work as a shipwright gives depth to this relationship between invention, responsibility and the trust placed in a creation.

The Robin figure in her New World archaeologist style also recalls that not every crew member responds to mechanical demonstrations in the same way. The One Piece figures can capture this variety of perspectives around a single ship.

The system extends Water Seven's technical culture

The Sunny was born in a city where transport and construction play a central role. Water Seven's adaptations to the Aqua Laguna show an environment that demands thought about the relationship between structures and their surroundings. In its own way, the Soldier Dock continues this attention to the practical situations of travel.

The adventures of Kokoro and the Sea Train remind us that transport can connect places while transforming a story's possibilities. Similarly, the Sunny's vehicles are more than an inventory. Each can open a scene, separate a team or offer a return to the group.

The memory of Enies Lobby and Robin's rescue gives this new arrangement a collective motivation. The ship and its equipment must enable the companions to continue together after a period in which their bonds were tested. The Sunny is designed for that shared future.

The One Piece posters can accompany this reading by giving ships and machines a place. The pirate flags provide another reference point: whatever vehicle they use, the characters remain associated with the same crew and its journey.

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Luffy discovers Franky's inventions with an enthusiasm that forms part of the pleasure of these scenes. This captain figure lets you connect the Sunny to the person whose adventure justifies so many preparations and new ideas.

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Frequently asked questions

What is the Soldier Dock System for?

It allows the Sunny to carry and deploy different vehicles. Its value lies in giving the crew several ways to travel or act from a single ship, according to the needs of the situation.

Does the Mini Merry replace the Going Merry?

It recalls its silhouette and memory, but it is a different construction with a different size and purpose. Its presence preserves an emotional link with the first ship without undoing its loss.

Does the Sunny transform into the Franky Shogun?

No. The robot results from combining the Black Rhino FR-U4 and Brachio Tank 5. These two vehicles are carried by the Sunny; the main ship retains its identity and does not form the robot's body.

Do all appearances of these vehicles belong to the manga?

The vehicles exist in the manga's world, but the anime can use them in storylines of its own. A canonical piece of equipment must therefore be distinguished from each particular scene in which the adaptation chooses to put it into action.

Explore more of the One Piece world

• Revisit the Merry's place in Water Seven.
• Discover Tom's legacy in the art of building.
• Explore the roles of the crew members.

What to remember

The Soldier Dock System turns the Sunny into a mobile base capable of supporting several departures. The vehicles offer different scales, environments and uses, while the Mini Merry adds an emotional memory to the whole. Their diversity expands the adventure without replacing the crew's decisions.

The One Piece ships and the Straw Hat collection let you tell the story of this complementary relationship. A shared ship can carry much more than its passengers: tools, memories and several ways to explore the next horizon.